Aortic compliance has become a surrogate marker, however
this has been little studied with velocity-encoded MRI in bicuspid aortic valve
(BAV). While pulse wave velocity (PWV) is a powerful assessment tool, there are
multiple techniques to assess the time delay of the velocity waveform. This
study demonstrated increased PWV in BAV compared to controls with all 3 PWV
analysis techniques. However, the results emphasize the different
discriminatory abilities of the 3 PWV analysis techniques with technique 1
(arrival of the foot measured as the interception of steep early systolic slope
and baseline) providing the greatest AUC by ROC analysis.